多毛细管柱离子迁移谱法快速检测植物中挥发性有机化合物。

IF 2.7 3区化学 Q2 CHEMISTRY, ANALYTICAL

Analytical Methods Pub Date : 2024-12-09 DOI:10.1039/D4AY01817F

Vahideh Ilbeigi, Younes Valadbeigi, Martina Zvaríková, Peter Fedor and Štefan Matejčík

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引用次数: 0

摘要

本研究提出了一种快速检测蓝莓叶片挥发性有机化合物（VOCs）的新方法，该方法采用Tenax吸附剂，然后采用多毛细管柱（MCC）分离和离子迁移谱（IMS）检测。对机械损伤（打孔）、草食动物攻击（蚜虫）和茉莉酸甲酯（MeJA）喷洒等不同胁迫因素引发的石竹烯、苯乙腈、芳樟醇、辛烯和水杨酸甲酯等挥发性有机化合物进行了检测和量化。VOCs的检出限（lod）在8 ~ 33 ng范围内。该方法简便、直接，无需样品预处理，具有较高的成本效益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Rapid detection of volatile organic compounds emitted from plants by multicapillary column-ion mobility spectrometry†

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Rapid detection of volatile organic compounds emitted from plants by multicapillary column-ion mobility spectrometry†

This study presents a novel rapid analytical method for the detection of volatile organic compounds (VOCs) emitted from blueberry leaves using the Tenax adsorbent followed by separation using a multicapillary column (MCC) and Ion Mobility Spectrometry (IMS) detection. The emitted VOCs including caryophyllene, benzene acetonitrile, linalool, ocimene, and methyl salicylate initiated by different stress factors including mechanical damage (punching), herbivore attack (aphids) and methyl jasmonate (MeJA) spraying were detected and quantified. Limits of Detection (LODs) for the VOCs were determined in the range of 8 to 33 ng. This new cost-efficient method provided a simple and direct detection of the emitted VOCs from plants without any sample pretreatment.

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